response_type: id_token (required, the tool must use a value of id_token)

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/2861/launches (required, This URI must exactly match a value pre-registered with the platform)

response_mode: form_post (required, tools and platforms must support a value of form_post)

client_id: dvb-platform-20-apr (required, client identifier valid at the Platform)

scope: openid (required, must contain the openid scope value)

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6InpYWThlakU5RU9RMkFEY2ppcTVtYnJ3T2ZqNktyRXBHWEZyZF9WYVcwYmsiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjoyODYxLCJzdGF0ZV9ub25jZSI6IjE3MjUwYTcxNzhhYWE2YTAxMzNkIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIyODYxIn0sImlzcyI6ImR2YiB0b29sIDIwIG5vdiIsInN1YiI6ImR2Yi1wbGF0Zm9ybS0yMC1hcHIiLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy8zMTg5L2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3NzcxMDg4ODEsImV4cCI6MTc3NzEwOTE4MSwianRpIjoiMjkwZGQ1N2UzYTBhMDZhYjY1NzIifQ.Wf96j5U38ZFx6mrEMBwTmaeblESkJUMfXnokbAer1vSHbQdC5OhfoZo9KpLESwt6k8_F23YVtdPNGDzPRwDxykoUG5M4UQ5_rnTTDcVgj21uMtDPJu0fWRCNjKYwfXnZNp8G_39pH6aWMbw0QEasCQMYVgWRzn1Jg4oomJIwcVrDl4ckLlfTQfc_Qw-gMwNQDAv3asGHBzDZNqnYcGtCSsL_kQVouJ1vUGekjOhu26M9jHwrxUO2_wQcV8cYm9CIpOofCuTD2MWWy4c7LDjJkc5u_MwMEGMR6OZS72qKXsEC4biBcat8aCYuIxw164-fP9oN6_NqYx1wf34VUnS43Q (required, opaque value used to maintain state between the request and the callback)

login_hint: (required, tools and platforms must support a value of form_post)

lti_message_hint: (required, a platform opaque identifier identifying the user to login)

prompt: none (optional, The tool should use a value of none. In the future a re-launch flow may support additional values being used here)

nonce: 17250a7178aaa6a0133d (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)